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Synopsis
This book explores the fascinating world of animal color changes, focusing on the physiological mechanisms underlying these dynamic transformations. The author delves into the historical understanding of color changes, highlighting early observations and theories. The book examines two distinct types of color control in animals: nervous and hormonal. In the nervous system, the author explores the role of specific nerve fibers that induce pigment dispersion or concentration in chromatophores, the cells responsible for color changes. The hormonal control system, discussed in depth, reveals the influence of neurohumors, chemical messengers produced by the pituitary gland, on chromatophores. The author presents a novel view of chromatophoral nerves, challenging the traditional notion of nerve paralysis after cutting. Through innovative experiments, it is shown that severed nerves remain active, inducing prolonged pigment dispersion in melanophores, the dark pigment cells. The book concludes by emphasizing the significance of these findings for understanding the workings of the nervous system and the broader field of neurobiology. By unraveling the complex interplay between nerves and hormones in animal color changes, the author provides valuable insights into the mechanisms that govern these remarkable adaptations.
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About the Author
G. H. Parker was Professor of Zoology, Emeritus, at Harvard University.
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Color Changes of Animals in Relation to Nervous Activity (Classic Reprint)
Print on DemandSeller: Forgotten Books, London, United Kingdom
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Paperback. Condition: New. Print on Demand. This book explores the fascinating world of animal color changes, focusing on the physiological mechanisms underlying these dynamic transformations. The author delves into the historical understanding of color changes, highlighting early observations and theories. The book examines two distinct types of color control in animals: nervous and hormonal. In the nervous system, the author explores the role of specific nerve fibers that induce pigment dispersion or concentration in chromatophores, the cells responsible for color changes. The hormonal control system, discussed in depth, reveals the influence of neurohumors, chemical messengers produced by the pituitary gland, on chromatophores. The author presents a novel view of chromatophoral nerves, challenging the traditional notion of nerve paralysis after cutting. Through innovative experiments, it is shown that severed nerves remain active, inducing prolonged pigment dispersion in melanophores, the dark pigment cells. The book concludes by emphasizing the significance of these findings for understanding the workings of the nervous system and the broader field of neurobiology. By unraveling the complex interplay between nerves and hormones in animal color changes, the author provides valuable insights into the mechanisms that govern these remarkable adaptations. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. Seller Inventory # 9781334412967_0
Quantity: Over 20 available
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Color Changes of Animals in Relation to Nervous Activity Classic Reprint
Seller: PBShop.store US, Wood Dale, IL, U.S.A.
Seller rating 5 out of 5 stars
PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000. Seller Inventory # LX-9781334412967
Quantity: 15 available
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Color Changes of Animals in Relation to Nervous Activity Classic Reprint
Seller: PBShop.store UK, Fairford, GLOS, United Kingdom
Seller rating 5 out of 5 stars
PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000. Seller Inventory # LX-9781334412967
Quantity: 15 available